Re: [PATCH v2 0/3] Add alignment check for DAX mount

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On 05/02/2016 09:42 PM, Toshi Kani wrote:
> When a partition is not aligned by 4KB, mount -o dax succeeds,
> but any read/write access to the filesystem fails, except for
> metadata update.
> 
> Add alignment check to ext4, ext2, and xfs.
> 
> v2:
>  - Use a helper function via ->direct_access for the check.
>    (Christoph Hellwig)
>  - Call bdev_direct_access() with sector 0 for the check.
>    (Boaz Harrosh)
> 
> ---
> Toshi Kani (3):
>  1/3 ext4: Add alignment check for DAX mount
>  2/3 ext2: Add alignment check for DAX mount
>  3/3 xfs: Add alignment check for DAX mount
> 

All patches look very good to me, and keep the
internals internal. Thanks Toshi

Review-by: Boaz Harrosh <boaz@xxxxxxxxxxxxx>

> ---
>  fs/ext2/super.c    | 21 +++++++++++++++++++--
>  fs/ext4/super.c    | 20 ++++++++++++++++++--
>  fs/xfs/xfs_super.c | 23 +++++++++++++++++++----
>  3 files changed, 56 insertions(+), 8 deletions(-)
> 

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